/Engine/Plugins/FX/Niagara/Source/Niagara/Classes/NiagaraSystem.h
Removes the emitter handles which have an Id in the supplied set.
void RemoveEmitterHandlesById ( const [TSet](API\Runtime\Core\Containers\TSet)< [FGuid](API\Runtime\Core\Misc\FGuid) > & HandlesToRemove )